摘要
瀑布沟水电站泄洪洞右侧壁最小厚度仅约10 0m,左侧山体高达100 0m,隧洞偏压问题突出。本文采用非线性有限元法,研究隧洞在开挖过程中,边坡的稳定性和隧洞的偏压应力。
The minimum depth of the spillway tunnel from the slope s urface on the right side is only 10m whi le on the spillway left side the mountia n has a height of 100m.Therefore,the in situ stress on the right side of the spi llway tunnel is much higher than that on the left side.In this paper stability o f the slope and unbalanced side pressure of the spillway tunnel during its excav ation are studied by using nonlinear fin ite element method.
出处
《水电站设计》
2003年第2期18-22,共5页
Design of Hydroelectric Power Station
关键词
瀑布沟水电站
泄洪洞
开挖
变形
稳定性
隧洞
非线性
spillway tunn el
tu nnel excavation
deformation of rock mass
stability analysis
finite element metho d
Pubuguo Hydropower Station
